diff --git a/build-fromsource.conf b/build-fromsource.conf
index 77ca410..62d8947 100644
--- a/build-fromsource.conf
+++ b/build-fromsource.conf
@@ -223,7 +223,7 @@ $PGBuild::Options::from_source = '/app/pgsrc';
 		  --enable-cassert
 		  --enable-debug
 		  --enable-nls
-          --enable-tap-tests
+                  --enable-tap-tests
 		  --with-perl
 		  --with-python
 		  --with-tcl